Use the platform ID and config ID values from the platform ID
HOB to choose the right set of ACPI tables to be installed.
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Chandni Cherukuri <chandni.cheruk...@arm.com>
---
Platform/ARM/SgiPkg/Drivers/PlatformDxe/PlatformDxe.c | 30
+++++++++++++++++---
Platform/ARM/SgiPkg/Drivers/PlatformDxe/PlatformDxe.inf | 2 ++
Platform/ARM/SgiPkg/SgiPlatform.dsc | 1 +
Platform/ARM/SgiPkg/SgiPlatform.fdf | 1 +
4 files changed, 30 insertions(+), 4 deletions(-)
diff --git a/Platform/ARM/SgiPkg/Drivers/PlatformDxe/PlatformDxe.c
b/Platform/ARM/SgiPkg/Drivers/PlatformDxe/PlatformDxe.c
index edaae5b..83adb63 100644
--- a/Platform/ARM/SgiPkg/Drivers/PlatformDxe/PlatformDxe.c
+++ b/Platform/ARM/SgiPkg/Drivers/PlatformDxe/PlatformDxe.c
@@ -14,6 +14,8 @@
#include <Library/AcpiLib.h>
#include <Library/DebugLib.h>
+#include <Library/HobLib.h>
+#include <SgiPlatform.h>
EFI_STATUS
InitVirtioBlockIo (
@@ -28,11 +30,31 @@ ArmSgiPkgEntryPoint (
)
{
EFI_STATUS Status;
+ VOID *PlatformIdHob;
+ SGI_PLATFORM_DESCRIPTOR *HobData;
+ UINT32 ConfigId;
+ UINT32 PartNum;
- Status = LocateAndInstallAcpiFromFv (&gSgi575AcpiTablesiFileGuid);
- if (EFI_ERROR (Status)) {
- DEBUG ((DEBUG_ERROR, "%a: Failed to install ACPI tables\n", __FUNCTION__));
- return Status;
+ PlatformIdHob = GetFirstGuidHob (&gArmSgiPlatformIdDescriptorGuid);
+ if (PlatformIdHob == NULL) {
+ DEBUG ((DEBUG_ERROR, "Platform ID HOB is NULL\n"));
+ return EFI_INVALID_PARAMETER;
+ }
+
+ HobData = (SGI_PLATFORM_DESCRIPTOR *)(GET_GUID_HOB_DATA (PlatformIdHob));
+
+ PartNum = (HobData->PlatformId & SGI_PART_NUM_MASK);
+ ConfigId = ((HobData->PlatformId >> SGI_CONFIG_SHIFT) & SGI_CONFIG_MASK);
+
+ if ((PartNum == SGI575_PART_NUM) && (ConfigId == SGI575_CONF_NUM)) {
+ Status = LocateAndInstallAcpiFromFv (&gSgi575AcpiTablesiFileGuid);
+ if (EFI_ERROR (Status)) {
+ DEBUG ((DEBUG_ERROR, "%a: Failed to install ACPI tables\n",
__FUNCTION__));
+ return Status;
+ }
+ } else {
+ DEBUG ((DEBUG_ERROR, "PlatformDxe: Unsupported Platform Id\n"));
+ return EFI_UNSUPPORTED;
}
Status = EFI_REQUEST_UNLOAD_IMAGE;
diff --git a/Platform/ARM/SgiPkg/Drivers/PlatformDxe/PlatformDxe.inf
b/Platform/ARM/SgiPkg/Drivers/PlatformDxe/PlatformDxe.inf
index 51ad22f..b6b8209 100644
--- a/Platform/ARM/SgiPkg/Drivers/PlatformDxe/PlatformDxe.inf
+++ b/Platform/ARM/SgiPkg/Drivers/PlatformDxe/PlatformDxe.inf
@@ -30,10 +30,12 @@
[LibraryClasses]
AcpiLib
+ HobLib
UefiDriverEntryPoint
VirtioMmioDeviceLib
[Guids]
+ gArmSgiPlatformIdDescriptorGuid
gSgi575AcpiTablesiFileGuid
[FeaturePcd]
diff --git a/Platform/ARM/SgiPkg/SgiPlatform.dsc
b/Platform/ARM/SgiPkg/SgiPlatform.dsc
index a56175e..7b8e051 100644
--- a/Platform/ARM/SgiPkg/SgiPlatform.dsc
+++ b/Platform/ARM/SgiPkg/SgiPlatform.dsc
@@ -199,6 +199,7 @@
<LibraryClasses>
NULL|MdeModulePkg/Library/LzmaCustomDecompressLib/LzmaCustomDecompressLib.inf
}
+ Platform/ARM/SgiPkg/Library/SgiPlatformPei/SgiPlatformPei.inf
#
# DXE
diff --git a/Platform/ARM/SgiPkg/SgiPlatform.fdf
b/Platform/ARM/SgiPkg/SgiPlatform.fdf
index 17cdf48..0e5739e 100644
--- a/Platform/ARM/SgiPkg/SgiPlatform.fdf
+++ b/Platform/ARM/SgiPkg/SgiPlatform.fdf
@@ -220,6 +220,7 @@ READ_LOCK_STATUS = TRUE
INF MdeModulePkg/Universal/FaultTolerantWritePei/FaultTolerantWritePei.inf
INF MdeModulePkg/Universal/PCD/Pei/Pcd.inf
INF MdeModulePkg/Universal/Variable/Pei/VariablePei.inf
+ INF Platform/ARM/SgiPkg/Library/SgiPlatformPei/SgiPlatformPei.inf
FILE FV_IMAGE = 9E21FD93-9C72-4c15-8C4B-E77F1DB2D792 {
SECTION GUIDED EE4E5898-3914-4259-9D6E-DC7BD79403CF PROCESSING_REQUIRED =
TRUE {
--
2.7.4
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